Multi-Function Gauge

This gauge provides several functions of interest and support to the boater. 

As a tachometer, it indicates the engine speed in crankshaft revolutions per minute (RPM).
Propeller shaft RPM is the same as the engine rotation except for boats equipped with the Power Slot 1.5:1 ratio package or a V-drive gear, in which case propeller shaft RPM is less than that of the engine RPM.

Toggle to the hourmeter and it registers the accumulated engine operating time. Use the hourmeter to keep accurate logs for scheduled maintenance. Replacing the computer (known as the MMDC) will erase the hours. It counts hours only when the engine is above 300 RPM. When equipped with a revision C MMDC, the option exists to change the display to metric from the hours screen. This is done by holding down the gauge selection display button for three seconds. When prompted, select English or metric display. Wait an additional three (3) seconds and the display will return to normal operation.

Toggle to the air temperature gauge (optional) to get an approximate reading of the ambient air temperature above the waters surface.

Toggle to the clock for the convenience of determining the time.

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